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Finding the Fourth Proportional to 359,590.48, 539,444.24 and 134,968.56

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Solution

The fourth proportional to 359,590.48, 539,444.24 and 134,968.56 is: 202,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,590.48 : 539,444.24 = 134,968.56 : x
  2. Step 2: Convert to fraction form
    359,590.48/539,444.24 = 134,968.56/x
  3. Step 3: Cross multiply
    359,590.48x = 539,444.24 × 134,968.56
  4. Step 4: Simplify right side
    359,590.48x = 72,808,012,273.09
  5. Step 5: Solve for x
    x = 72,808,012,273.09/359,590.48
  6. Step 6: Final answer
    x = 202,474.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.